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Oil to gas retrofit/ tune to max efficiency

griffinbr
Member Posts: 3
Top of the morning everyone been following Dan Holohan and I am a fan! Love hydronic’s !!..I am planning on adding a boiler buddy or buffer tank not sure if anyone has any other ideas that would be more cost effective…? but wanted to get any direction on how I can have this 300 PB purefire running most efficiently, should I change the piping to go directly off of the boiler to the indirect, like in the IBR photo?
. The delta T with just the Indirect is 30, with firing rate turned down down. Using a three speed GF circulator. Not sure if I should pipe indirect Like the photo IBR references? Any feedback would be greatly appreciated.
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. The delta T with just the Indirect is 30, with firing rate turned down down. Using a three speed GF circulator. Not sure if I should pipe indirect Like the photo IBR references? Any feedback would be greatly appreciated.






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So the manual specs have the pressure relief valve mounted on the return side for pf300 and 399*?(
Little confusing) however, these differ from the other one *this PB pf300 is a rev2 does anyone know if that means safety relief valve should be mounted on the return side?
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I see the TPR on the supply side!!0
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If the goal is to lower fuel cost, start with the efficiency if the structure.
Next operate the boiler at the lowest, safest temperature.
Short cycling kills efficiency, ODR can help with thatBob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0
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